5(3a^2+a-4)=0

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Solution for 5(3a^2+a-4)=0 equation:


Simplifying
5(3a2 + a + -4) = 0

Reorder the terms:
5(-4 + a + 3a2) = 0
(-4 * 5 + a * 5 + 3a2 * 5) = 0
(-20 + 5a + 15a2) = 0

Solving
-20 + 5a + 15a2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '5'.
5(-4 + a + 3a2) = 0

Factor a trinomial.
5((-4 + -3a)(1 + -1a)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(-4 + -3a)' equal to zero and attempt to solve: Simplifying -4 + -3a = 0 Solving -4 + -3a = 0 Move all terms containing a to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -3a = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -3a = 0 + 4 -3a = 0 + 4 Combine like terms: 0 + 4 = 4 -3a = 4 Divide each side by '-3'. a = -1.333333333 Simplifying a = -1.333333333

Subproblem 2

Set the factor '(1 + -1a)' equal to zero and attempt to solve: Simplifying 1 + -1a = 0 Solving 1 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1a = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1a = 0 + -1 -1a = 0 + -1 Combine like terms: 0 + -1 = -1 -1a = -1 Divide each side by '-1'. a = 1 Simplifying a = 1

Solution

a = {-1.333333333, 1}

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